primemedium-formatdiscontinued
SMC Pentax 67 1.4x Rear Converter
Pentax · 1989-2008
The SMC Pentax 67 1.4x Rear Converter provides modest focal length increase with minimal quality loss. Only costs 1 stop. Better quality than 2x converter.
Known for
- Modest reach extension
- Higher quality than 2x
Considerations
- Only 1.4x magnification
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)5/5
Contrast5/5
Flare Resistance4/5
CA Control4/5
Vignetting Control4/5
Distortion Control4/5
Bokeh: As per main lens
Rendering: Minimal quality loss
Color: Neutral
Common Issues
- Very reliable
Buying Guide
Better quality than 2x. Good compromise.
Specifications
MountPentax 67
Focal Length1.4x
Max Aperture1 stop
Min ApertureN/A
Weight220g
Optical Design
Formulaother
Elements4
Groups3
CoatingSMC (Pentax)
Pricing
£200 - £350
Typical used price
Mint: ~£450
Higher quality converter
Last verified: Jan 2025Report an error